diff --git a/Cargo.lock b/Cargo.lock
index 1eb4d8d..a5914d2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1416,9 +1416,9 @@ dependencies = [
 
 [[package]]
 name = "lru"
-version = "0.4.3"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0609345ddee5badacf857d4f547e0e5a2e987db77085c24cd887f73573a04237"
+checksum = "28e0c685219cd60e49a2796bba7e4fe6523e10daca4fd721e84e7f905093d60c"
 dependencies = [
  "hashbrown",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index c5ee92c..4db4628 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -33,7 +33,7 @@ env_logger = "0.7.1"
 futures = "0.3.4"
 http-signature-normalization-actix = { version = "0.3.0-alpha.11", default-features = false, features = ["sha-2"] }
 log = "0.4"
-lru = "0.4.3"
+lru = "0.5.1"
 mime = "0.3.16"
 num_cpus = "1.12"
 pretty_env_logger = "0.4.0"